Wash and take the moong dal in a pressure cooker.
Chop the carrots into cubes and add to the dal along with turmeric powder.
Pressure cook for 1 or 2 whistles. Let the pressure fall down.
In a nonstick pan, heat oil, temper curry leaves, mustard, cumin seeds for a couple of mins.
Then add onions and saute next add tomatoes and saute for a few mins.
Add salt and red chili powder and simmer for 5 mins.
Now add cooked dal with carrots and just enough water for consistency.
Bring to a boil and simmer for 5 mins.
Serve with Rotis.